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Best Circular Saw Blades of 2026

Updated
The wrong blade burns, splinters, and fights you. Here is the right one.

Our Top Picks

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Model
Product Comparison Table
Features

Product Image of the Diablo Framing Saw Blade for Wood - 7-1/4" x 24-Tooth, Thin Kerf, Anti-Vibration, Long Life for Framing & Pressure-Treated Wood, Tracking Point Tooth Design - Pack of 10 - D0724A
Best Circular Saw Blade for Framing
Diablo D0724A 24T Framing Blade
  • Thin kerf for cordless saws
  • Tracking Point teeth
  • Handles pressure-treated lumber
Product Image of the Diablo Ultra Finish Carbide Saw Blade - 7-1/4" Dia., 60 ATB Teeth, 2-Pack
Best Circular Saw Blade for Hardwood
Diablo D0760A 7-1/4" 60T Finish Blade
  • 60 ATB teeth
  • TiCo hi-density carbide
  • 7-1/4 inch, 5/8 inch arbor
Product Image of the Diablo Finish Saw Blade - 7-1/4" Dia., 40 ATB, 5/8" Arbor, 8000 Max RPM
Best Circular Saw Blade for Plywood
Diablo D0740A 40T Finish Blade
  • TiCo hi-density carbide
  • Perma-Shield coating
  • Thin kerf for clean plywood cuts
Product Image of the Revvstark 3 Pack 7-1/4 Circular Saw Blade 24T&40T&60T Combo for Woodcutting
Best General-Purpose Circular Saw Blade
Revvstark 24T, 40T & 60T Blade Combo
  • Three blades in one pack
  • Carbide-tipped
  • Covers rip, crosscut & finish
Best Circular Saw Blade for Medium-Density Fiberboard (MDF)
Diablo D0744CD 7-1/4" TrexBlade
  • 44 modified triple-chip teeth
  • Perma-Shield non-stick coating
  • 7-1/4 inch, 5/8 inch arbor
Product Image of the Revvstark Circular Saw Blade 6-1/2" 24T&60T for Cutting Wood, 5/8" Arbor
Best Circular Saw Blade for Cordless Saws
Revvstark 6-1/2" 24T & 60T Blades
  • 6-1/2 inch cordless size
  • Thin laser-cut kerf
  • 24T and 60T pair
Product Image of the Oshlun SBW-072540 7-1/4-Inch 40 Tooth ATB Finishing and Framing Saw Blade with 5/8-Inch Arbor (Diamond Knockout)
Best Value Circular Saw Blade
Oshlun SBW-072540 7-1/4" 40T Blade
  • 40 ATB teeth
  • Carbide-tipped
  • 7-1/4 inch, 5/8 inch arbor

Our Review Criteria: Tooth count and grind have to match the material, and that pairing decides the cut, so it led our comparison of every blade. From there we weighed carbide grade and how long the edge holds, kerf width and its effect on cordless runtime, and the coating that keeps pitch and heat in check, cross-checking our read against published manufacturer specs and independent owner feedback. Durability judgments rest on documented carbide grades and reported user experience. When a recommended blade is discontinued, we replace it with a current model that fits the same job, so every pick stays one you can buy.

Your circular saw is only as good as the blade attached to it. You can own the most expensive saw on the market, but a dull blade or the wrong tooth pattern for the material gives you burn marks, tear-out, and a fight on every cut.

Tooth count and tooth geometry are what separate a clean cut from a ruined board. A 24-tooth ripping blade tears the face veneer off plywood, while an 80-tooth finish blade bogs down and scorches if you push it through thick hardwood. Matching the blade to the job matters more than the brand on the box.

We picked the best circular saw blades for seven common jobs, from rough framing to glass-smooth crosscuts, and judged each on carbide grade, tooth count, kerf width, coating, and how well it fits the saws most people actually own. Every pick below is one you can buy today; when a blade is discontinued, we swap in a current replacement.


Circular Saw Blade Types

Not all blades are created equal. The grind of the tooth determines how the blade interacts with the wood. Understanding these geometries is the first step to avoiding splintered edges.

Flat Top Grind (FTG)

FTG blades feature teeth that are flat across the top. Think of these like a series of chisels spinning at high speed. They are designed to rip wood parallel to the grain efficiently. They remove material fast, but they don’t leave a pretty surface.

Pros

  • Speed: Rips through lumber quickly
  • Durability: Very hard-wearing teeth
  • Maintenance: Easier to sharpen

Cons

  • Finish: Leaves a rough surface
  • Tear-out: prone to splintering on crosscuts

Alternate Top Bevel (ATB)

The teeth on an ATB blade are angled across the top edge, alternating between left and right. This sharp point slices through wood fibers rather than chipping them away. These are your go-to “universal” blades for general construction and crosscutting.

Pros

  • Versatility: Handles crosscuts and rip cuts
  • Finish: Cleaner cuts than FTG
  • Availability: The most common blade type

Cons

  • Durability: Points can wear down faster

High-Angle Alternative Bevel (Hi-ATB)

This is the high-performance cousin of the ATB. The bevel angle is increased to somewhere between 25 and 38 degrees. This extreme angle creates a knife-like action that slices delicate materials without chipping. It is the standard for melamine and veneered plywood.

Pros

  • Precision: Glass-smooth cuts
  • Delicate Materials: Ideal for melamine and veneers
  • Finish: minimal sanding required

Cons

  • Fragile: Tips break easily if they hit metal
  • Longevity: Dulls faster than standard ATB

Triple-Chip Grind (TCG)

TCG blades use a tag-team approach. One tooth has chamfered corners to rough out the cut, and the following tooth is flat to clean it up. This two-step cut is hard on the tooth but easy on brittle material, which makes TCG the top choice for dense composites, laminates, and non-ferrous metals like aluminum.

Pros

  • Toughness: Resists chipping on hard materials
  • Versatility: Cuts plastic, metal, and solid surface

Cons

  • Speed: Slower cutting action
  • Cost: Generally more expensive

How To Choose a Circular Saw Blade

Picking the right blade means balancing the material you cut against the finish you need. Check these specs before you buy.

Size of Blade

Most standard circular saws use 7-1/4 inch blades. However, compact and cordless saws often use 6-1/2 inch or even 5-3/8 inch blades. Handheld mini-saws can go as small as 4-1/2 inches.

Top Tip

Check the sidewall of your saw’s tire or the user manual. You cannot safely put a blade that is too large or too small into the guard housing.

Arbor Type

The arbor is the hole in the center of the blade. For most circular saws, this is a 5/8-inch round hole. However, worm-drive saws often require a diamond-shaped arbor knockout. Many blades come with a diamond knockout that you can punch out to fit these saws.

Teeth Count (TPI)

The number of teeth determines the speed and smoothness of the cut. Think of it as a tradeoff: fewer teeth cut faster but rougher; more teeth cut slower but smoother.

Here is a quick breakdown:

Category Teeth Count (7-1/4″ Blade) Best For
Ripping 24T Framing lumber, ripping boards with grain
General Purpose 40T Combination of ripping and crosscutting
Fine Finish 60T Plywood, hardwoods, finish carpentry
Ultra Fine 80T+ Veneers, melamine, plastic

Quick Note

If you only buy one blade for general DIY work, get a 40-tooth general-purpose blade.

A North Carolina State University study that cut beech wood with three blade types found tooth count drives wear and noise, not just cut quality. The 24-tooth blade grew loudest and dulled fastest, with noise climbing from 97.9 dB(A) on the first cut to 105.9 dB(A) later in the test, and the edge needing resharpening after 7,600 cuts. The 40-tooth and 60-tooth blades showed no meaningful noise increase through 6,400 cuts (1).

Kerf Thickness

Kerf is the width of the slot the blade cuts. A thinner kerf wastes less wood and pulls less power, which matters most on cordless saws.

  • Full Kerf (1/8 inch): These are stable and wobble less. They are great for powerful corded saws cutting thick hardwood.
  • Thin Kerf (3/32 inch): These remove less material, which means less friction. This is essential for cordless circular saws because it extends battery life and puts less strain on the motor.

Blade Coating

You will often see blades that are red, blue, or silver. This is usually a non-stick coating (like Teflon) designed to reduce heat and friction. It also prevents pitch and sap from building up on the blade, which can cause burning. If you cut a lot of pine or wet lumber, a coated blade is worth the extra few dollars.

Blade Material

Carbide Tipped (Standard)

Almost every decent wood blade today is carbide-tipped. Tungsten carbide is soldered onto the steel body. It stays sharp significantly longer than steel.

High-Speed Steel (HSS)

HSS is durable and heat resistant but doesn’t hold an edge as long as carbide. You will mostly find this in dedicated metal-cutting blades or very cheap wood blades.

Diamond

For masonry, tile, or concrete, you need a diamond blade. These don’t have teeth in the traditional sense; they have an abrasive rim containing industrial diamond dust.

Who Makes the Best Circular Saw Blades?

Diablo, Bosch, DeWALT, Makita, and Irwin make the circular saw blades most DIYers and pros reach for, each with a different specialty covered below.

Bosch

A massive name in German engineering. Bosch blades are excellent, particularly for jigsaws and circular saws. Their “Daredevil” line is popular for framing, and they produce specific blades for composite decking that are industry leaders, such as the Bosch 72-tooth composite-decking blade. It is a 10-inch format, so confirm your saw is rated for that diameter before buying.

DeWALT

DeWALT dominates the job site. Their blades are designed for durability and “tough” conditions. While they might not always offer the surgical precision of a specialized woodworking blade, they are reliable workhorses perfect for construction and remodeling. If you also feed a miter or table saw in the same shop, their DeWALT 2-blade combo pack pairs a 32-tooth construction blade with a 60-tooth fine-finish blade, so rough cuts and clean crosscuts are covered in one buy. Note it is a 10-inch format, not a 7-1/4-inch circular-saw size, so check what your saw takes.

Makita

Makita excels in the thin-kerf category. Because they were pioneers in cordless tool technology, their “Max Efficiency” blades are engineered specifically to extend battery life and cut speed. If you are running a cordless saw, Makita blades are a top-tier choice. On the fine-finish end, their micro-polished blades like the Makita 80-tooth blade leave glass-smooth crosscuts, though that one is a 10-inch miter-saw size, not a 7-1/4-inch circular-saw blade.

Irwin Tools

Irwin, now part of the Stanley Black & Decker family (like DeWALT), offers the “Marathon” and “WeldTec” lines. They are known for affordable durability. They are often the best value-for-money option found in big box stores for general construction work.

Diablo (Freud)

It is impossible to talk about blades without mentioning Diablo (owned by Freud). They are widely considered the gold standard for availability and performance. Their bright red coating is recognizable everywhere, and they offer arguably the best balance of price and performance for DIYers and pros alike.


Product Reviews

Our picks cover the jobs a circular saw actually does, from rough framing to clean plywood crosscuts, and span full-size and cordless saws. Here is the breakdown, with what each blade is good at and where it falls short.

Diablo D0724A 7-1/4-Inch 24-Tooth Framing Blade

Best Circular Saw Blade for Framing

Our Rating4.75 / 5
Material Quality
5 / 5
Cutting Efficiency
4.5 / 5
Compatibility
4.5 / 5
Durability
5 / 5
Total Rating
4.75 / 5

If your saw spends most of its life ripping studs and joists, a 24-tooth framing blade is the blade it should wear, and Diablo’s D0724A is the one framers keep buying. With 24 large carbide teeth and Diablo’s Tracking Point tooth design, it punches through dimensional lumber fast and tracks straight instead of wandering off a chalk line. The thin laser-cut kerf removes less material, so a cordless saw makes more cuts per charge and the motor works less in dense stock.

What sets it apart for framing is how it holds up in the ugly wood. It is rated for pressure-treated lumber, which is wet and corrosive enough to wreck a cheap blade, and the Perma-Shield coating shrugs off the gum and pitch that build up when you cut green or treated material all day. The anti-vibration stabilizer vents keep it quiet and flat under load.

The honest caveat is the packaging: it ships as a contractor 10-pack, so it is built for someone who burns through framing blades, not the once-a-year DIYer. If you only frame a single project, a Diablo single-blade is the smarter buy. But for anyone running a saw on a job site, buying framing blades by the box is exactly how the pros do it.

Pros

  • Tracks straight: Tracking Point teeth follow the line through framing lumber
  • Handles treated wood: Rated for wet and pressure-treated stock that dulls lesser blades
  • Thin kerf: Less material removed means more cuts per cordless battery charge

Cons

  • Sold in bulk: Ships as a 10-pack, so it is overkill for a single project
  • Rough finish: 24 teeth rip fast but leave a coarse edge, not for finish cuts

Product Specs

Size (Inches) 7-1/4
Arbor 5/8 inch
Material TiCo hi-density carbide
Used for Framing, plywood, pressure-treated lumber
Total teeth 24
Max RPM 8,000
Price $$ (10-pack)

Diablo D0760A 7-1/4-Inch 60-Tooth Ultra Finish Blade

Best Circular Saw Blade for Hardwood

Our Rating4.5 / 5
Material Quality
5 / 5
Cutting Efficiency
4 / 5
Compatibility
4.5 / 5
Durability
4.5 / 5
Total Rating
4.5 / 5

Hardwoods like oak, maple, and walnut punish a coarse blade: too few teeth and the exit edge splinters, ruining a board you already paid a premium for. Diablo’s D0760A answers that with 60 ATB teeth in the brand’s TiCo hi-density carbide, the same red blade that lives in most contractors’ bags. Sixty teeth take smaller bites than a 40-tooth general blade, so the cut comes out clean enough to skip the heavy sanding on visible hardwood trim and furniture parts.

This is a true 7-1/4-inch blade on a 5/8-inch arbor, so it drops onto the standard corded saw most people own. The Perma-Shield non-stick coating keeps pitch and resin from cooking onto the plate, which matters in dense hardwood where heat builds fast, and the thin .059-inch laser-cut kerf wastes less material and lets the saw hold speed through the cut.

It is a finish blade, not a ripper. Sixty teeth cut slower and will bog or scorch if you force them through thick framing lumber or green wood, so keep a 24-tooth blade for that work. For clean crosscuts in hardwood, where the edge is the whole point, this is the blade that earns its keep.

Pros

  • Clean hardwood edges: 60 ATB carbide teeth limit tear-out on the exit of the cut
  • Stays cool: Perma-Shield coating resists pitch buildup and burn marks in dense stock
  • Standard fit: True 7-1/4 inch with a 5/8-inch arbor for common corded saws

Cons

  • Not a ripper: 60 teeth cut slowly and can scorch in thick or green lumber
  • Premium price: Costs more than a basic general-purpose blade

Product Specs

Size (Inches) 7-1/4
Arbor 5/8 inch
Material TiCo hi-density carbide
Used for Hardwood and finish crosscuts
Total teeth 60
Max RPM 8,000
Price $$$

Diablo D0740A 7-1/4-Inch 40-Tooth Finish Blade

Best Circular Saw Blade for Plywood

Our Rating4.5 / 5
Material Quality
5 / 5
Cutting Efficiency
4.5 / 5
Compatibility
4.5 / 5
Durability
4.5 / 5
Total Rating
4.5 / 5

Clean plywood cuts come down to two things: enough teeth to support the face veneer, and a flat, stable plate that does not flex into the cut. Diablo’s D0740A handles both with 40 ATB teeth made of the brand’s TiCo hi-density carbide, the same line that makes Diablo the default red blade in most contractors’ bags. For a handheld saw cutting sheet goods, 40 teeth is the sweet spot: enough to keep the top layer from splintering, but not so many that the blade burns or bogs the way an 80-tooth blade can in a weaker saw.

The Perma-Shield coating is the part you feel over time. Plywood glue and resin cook onto a bare blade and cause drag and burn marks; the non-stick coating keeps the plate clean so cuts stay smooth and the blade runs cooler. A super-thin laser-cut kerf wastes less material and lets the saw run at full speed, and the laser-cut stabilizer vents keep it tracking straight across a full sheet.

It is a crosscut and plywood blade, not a dedicated ripper, so for fast rip cuts in thick framing lumber a 24-tooth blade is the better tool. For the cabinet plywood, paneling, and finish-grade sheet goods most people actually cut, this is the blade that leaves an edge you can use without sanding.

Pros

  • Clean plywood edges: 40 ATB carbide teeth limit face-veneer splintering
  • Stays cool: Perma-Shield coating resists glue buildup and burn marks
  • Thin kerf: Laser-cut kerf wastes less material and keeps the saw at speed

Cons

  • Not a ripper: A 24-tooth blade rips thick lumber faster
  • Full-size only: 7-1/4 inch, so it will not fit a compact trim saw

Product Specs

Size (Inches) 7-1/4
Arbor 5/8 inch
Material TiCo hi-density carbide
Used for Plywood, hardwood and softwood crosscuts
Total teeth 40
Max RPM 8,000
Price $

Revvstark 7-1/4-Inch 24T, 40T & 60T Saw Blade Combo

Best General-Purpose Circular Saw Blade

Our Rating4.25 / 5
Material Quality
4 / 5
Cutting Efficiency
4.5 / 5
Compatibility
4.5 / 5
Durability
4 / 5
Total Rating
4.25 / 5

The reason this Revvstark combo lands at the top is simple: it answers the most common beginner question, “which blade do I actually need?”, by handing you all three. You get a 24-tooth blade for fast ripping and framing, a 40-tooth for everyday rip-and-crosscut work, and a 60-tooth for finish cuts. All three are 7-1/4 inches with a 5/8-inch arbor, so they drop straight onto the standard corded saw most people own.

The teeth are construction-grade tungsten carbide on an alloy-steel body, with a thin laser-cut kerf that keeps drag down. That thin kerf and the 8,000 RPM rating make the pack comfortable on cordless saws too, where every bit of saved friction stretches the battery. Thermal-expansion slots give the heat somewhere to go on long rip cuts.

This is a learner’s kit and a backup-blade kit, not a furniture-maker’s blade. The carbide does not hold an edge as long as a premium Diablo or Makita, and the 40-tooth is the one you will reach for most while the other two sit in the drawer. For the price of one name-brand blade you get a blade for nearly every household job, which is exactly what a general-purpose pick should do.

Pros

  • Three tasks covered: 24T, 40T, and 60T handle ripping, general cuts, and finish work
  • Thin kerf: Laser-cut kerf reduces drag and helps cordless saws run longer
  • Standard fit: 7-1/4 inch with a 5/8-inch arbor fits most common saws

Cons

  • Edge life: Carbide dulls faster than premium Diablo or Makita blades
  • Not for fine cabinetry: The 60T finishes well but will not match an 80T cabinet blade

Product Specs

Size (Inches) 7-1/4
Arbor 5/8 inch
Material Tungsten carbide on alloy steel
Used for General-purpose: ripping, crosscutting, finishing
Total teeth 24, 40 and 60 (3-pack)
Max RPM 8,000
Price $

Diablo D0744CD 7-1/4-Inch 44-Tooth TrexBlade

Best Circular Saw Blade for Medium-Density Fiberboard (MDF)

Our Rating4.25 / 5
Material Quality
4.5 / 5
Cutting Efficiency
4 / 5
Compatibility
4.5 / 5
Durability
4.5 / 5
Total Rating
4.25 / 5

MDF, melamine, and composite decking are brutal on a saw blade. The glues and resins heat up and melt, gumming standard teeth and leaving fuzzy, chipped edges. Diablo built this 7-1/4-inch TrexBlade for exactly that problem, and it is the blade Trex itself recommends for cutting its decking. It drops onto a standard 5/8-inch arbor circular saw, so you do not need a special tool to use it.

The 44 teeth use a modified triple-chip grind, where one tooth roughs the cut and the next cleans it up, which is what lets it slice brittle composite and dense fiberboard without chipping the edge. The TiCo hi-density carbide resists the abrasive resin in MDF, and the Perma-Shield non-stick coating keeps melted plastic and glue from building up on the plate, so cuts stay cool and clean. Owners report it leaves a crisp edge ready for edge banding, and it cuts plywood and PVC just as cleanly, so one blade covers several panel jobs.

The trade-offs are honest. The 44-tooth grind cuts a touch slower than a coarse wood blade, and the .065-inch kerf is wider than a thin-kerf finish blade, so account for it if you cut to a guide. It also costs more than a basic wood blade. For cabinet-grade MDF and composite work where the edge has to be clean, it is the blade that earns the premium.

Pros

  • Built for composites: Modified triple-chip teeth cut MDF and decking without chipping
  • Resists gumming: Perma-Shield coating keeps melted resin and glue off the plate
  • Standard fit: True 7-1/4 inch with a 5/8-inch arbor for common saws

Cons

  • Cuts slower: The 44-tooth grind is not built for fast rough work
  • Premium price: Costs more than a basic wood blade

Product Specs

Size (Inches) 7-1/4
Arbor 5/8 inch
Material TiCo hi-density carbide
Used for Composites, MDF, melamine, PVC
Total teeth 44
Max RPM 10,000
Price $$

Revvstark 6-1/2-Inch 24T & 60T Saw Blade Pair

Best Circular Saw Blade for Cordless Saws

Our Rating4 / 5
Material Quality
4 / 5
Cutting Efficiency
4.5 / 5
Compatibility
4 / 5
Durability
4 / 5
Total Rating
4 / 5

Most blade roundups assume you own a full-size corded saw, but a large share of saws sold now are cordless 6-1/2-inch models from DeWALT, Milwaukee, Ryobi, and Makita. A standard 7-1/4-inch blade simply will not fit them. This Revvstark pair is sized for those saws and ships as two blades: a 24-tooth for ripping and framing and a 60-tooth for cleaner crosscuts, both on a 5/8-inch arbor.

The pairing matters more than the brand here. A cordless saw lives and dies by battery runtime, and the thin laser-cut kerf on these blades removes less material per pass, so the motor draws less current and you get more cuts before a swap. Carbide teeth on an alloy body and thermal-expansion slots keep heat in check during repeated cuts, which is where the cheap bundled blade that came with your saw usually gives up.

Set your expectations at the price. The carbide is decent rather than premium, so for daily professional use a Diablo 6-1/2-inch will outlast it. As an affordable upgrade over a kit blade, and a way to have both a rip and a finish blade ready for a compact saw, it is a sensible buy.

Pros

  • Fits compact saws: 6-1/2 inch size matches most cordless circular saws
  • Two profiles: 24T for ripping and 60T for finish cuts in one pack
  • Battery-friendly: Thin kerf draws less power for more cuts per charge

Cons

  • Mid-grade carbide: Will not hold an edge as long as a premium Diablo
  • Check your arbor: Built for a 5/8-inch arbor, confirm before buying

Product Specs

Size (Inches) 6-1/2
Arbor 5/8 inch
Material Tungsten carbide on alloy steel
Used for Cordless and compact saws: ripping and crosscutting
Total teeth 24 and 60 (2-pack)
Max RPM 8,000
Price $

Oshlun SBW-072540 7-1/4-Inch 40-Tooth Saw Blade

Best Value Circular Saw Blade

Our Rating4 / 5
Material Quality
4 / 5
Cutting Efficiency
4 / 5
Compatibility
4.5 / 5
Durability
3.5 / 5
Total Rating
4 / 5

Oshlun does not have the brand recognition of DeWALT or Diablo, but it punches above its price. This is a true 7-1/4-inch blade on a 5/8-inch arbor, so it fits the standard saw most people already own, and at 40 teeth it is the one-blade-does-most choice: enough teeth to crosscut plywood cleanly, few enough to still rip lumber without bogging down.

It features C-4 grade carbide, which is more than you usually get at this price, on an ATB grind that handles both finishing and framing cuts. A diamond knockout in the arbor lets it fit worm-drive saws as well as standard ones, and the plate stays reasonably true as it heats up.

Is it a premium furniture blade? No. The carbide will not hold an edge as long as a Diablo, and a heavy daily user will out-cut it. But for the DIYer who wants one capable blade in the saw without spending premium money, it is the value sweet spot, and the standard 7-1/4-inch size means most readers can actually use it. Oshlun makes the same value pitch in other sizes too: if your saw takes 8-inch blades, the Oshlun 8-inch 24-tooth ATB blade is a budget general-purpose and framing option with a 5/8-inch arbor and diamond knockout.

Pros

  • Price: Strong value for a name-brand 7-1/4-inch blade
  • Versatile 40T: ATB grind crosscuts plywood and still rips lumber
  • Wide fit: 5/8-inch arbor with a diamond knockout for worm-drive saws

Cons

  • Longevity: Carbide dulls faster than premium Diablo or Makita tips
  • Not for fine cabinetry: A 60T blade finishes cleaner on visible work

Product Specs

Size (Inches) 7-1/4
Arbor 5/8 inch (diamond knockout)
Material C-4 carbide-tipped
Used for General-purpose: finishing and framing
Total teeth 40
Max RPM 7,000
Price $

Product Comparison Chart

Product Best Weight Size (Inch) Material Used for Total teeth Max RPM
Diablo D0724A 24T Framing Blade Framing 5/8″ arbor 7-1/4 TiCo hi-density carbide Framing, pressure-treated lumber 24 8,000
Diablo D0760A 7-1/4" 60T Finish Blade Hardwood 5/8″ arbor 7-1/4 TiCo hi-density carbide Hardwood and finish crosscuts 60 8,000
Diablo D0740A 40T Finish Blade Plywood 5/8″ arbor 7-1/4 TiCo hi-density carbide Plywood, hardwood & softwood crosscuts 40 8,000
Revvstark 24T, 40T & 60T Blade Combo General-Purpose 5/8″ arbor 7-1/4 Tungsten carbide Ripping, crosscutting, finishing 24, 40 & 60 8,000
Diablo D0744CD 7-1/4" TrexBlade Medium-Density Fiberboard 5/8″ arbor 7-1/4 TiCo hi-density carbide Composites, MDF, melamine 44 10,000
Revvstark 6-1/2″ 24T & 60T Blades Cordless Saws 5/8″ arbor 6-1/2 Tungsten carbide Cordless and compact saws 24 & 60 8,000
Oshlun SBW-072540 7-1/4" 40T Blade Value For Money 5/8″ arbor 7-1/4 C-4 carbide-tipped General-purpose: finishing, framing 40 7,000

How To Change a Circular Saw Blade

Changing a blade is a fundamental skill. Do it safely and correctly to avoid injury or damage to the tool.

OSHA requires that any portable, power-driven circular saw with a blade larger than 2 inches in diameter be fitted with upper and lower guards, and the lower guard must snap back to cover the blade automatically the instant it leaves the cut (2).

Ohio State University Extension recommends setting the depth of cut so no more than 1/2 inch of blade clears the bottom of the material, which keeps the exposed teeth to a minimum (3).

1. Power Down

Unplug the cord or remove the battery. Never touch the blade while the tool has power. This is the golden rule of power tool safety.

2. Lock the Arbor

Locate the “spindle lock” button on the saw housing. Press and hold it down, then manually rotate the blade until it clicks and locks into place.

3. Loosen the Bolt

Using the wrench provided with your saw (or a hex key), loosen the arbor bolt. Tip: Most circular saw bolts are reverse-threaded or standard depending on the drive side. If it won’t budge, try turning it the other way (usually in the direction of the blade rotation).

4. Swap the Blade

Retract the blade guard fully. Remove the old blade. Slide the new blade onto the spindle. Important: Ensure the teeth at the bottom of the blade are pointing up (toward the front of the saw).

5. Tighten and Test

Hand-tighten the bolt, then give it a firm snug with the wrench. Do not overtighten; the rotation of the saw will keep it tight. Replace the battery/plug, give it a quick test spin, and you are ready to cut.

How To Clean a Circular Saw Blade

A dirty blade burns wood. Pitch and resin buildup creates friction, which heats the blade and dulls the carbide.

Fill a shallow pan (like a baking sheet) with a specialized blade cleaner, Simple Green, or even laundry detergent mixed with water. Remove the blade from the saw and soak it for 10 to 15 minutes.

Once soaked, use a nylon brush (an old toothbrush works perfectly) to scrub the teeth. Do not use a wire brush, as this can damage the brazing on the carbide tips. Rinse it thoroughly and dry it immediately to prevent rust.

FAQs

How Long Should a Circular Saw Blade Last?

A high-quality carbide blade can last between 6 months to several years for a DIYer. In terms of active cutting time, expect 12 to 120 hours of use. This varies heavily based on what you cut; cutting clean softwood lasts forever, while cutting reclaimed lumber with hidden nails or abrasive MDF will dull a blade much faster.

Which Type of Circular Saw Blade Stays Sharp the Longest?

Carbide-tipped blades stay sharp significantly longer than steel blades. Within the carbide category, blades with C3 or C4 “micro-grain” carbide are the most durable. Additionally, blades with fewer teeth (like 24T ripping blades) tend to stay sharp longer because they have larger carbide tips and better heat dissipation than fine-finish blades.

Is It Worth Sharpening Circular Saw Blades?

For high-end blades (like those from Freud, Makita, or Forrest) that cost $40 or more, professional sharpening is absolutely worth it. It usually costs $15 to $20 to sharpen a blade, which restores it to like-new condition. For cheap, budget blades under $15, it is usually more cost-effective to simply replace them.

How Many Times Can You Sharpen a Circular Saw Blade?

A quality carbide blade can be sharpened 3 to 5 times depending on the size of the carbide tips. Professional sharpening services grind down the face of the tooth. Once the carbide becomes too thin, it risks shattering during use and must be retired.

Can I Use a Smaller Blade on My Circular Saw?

Generally, yes, provided the arbor hole size is the same (usually 5/8 inch). For example, you can often use a 7-inch blade on a 7-1/4 inch saw. However, you will lose maximum cutting depth. You should never attempt to put a blade larger than the saw’s rating (e.g., a 10-inch blade on a 7-1/4 inch saw) as it will hit the guard.

Which Way Should the Teeth Point on a Circular Saw?

The teeth at the bottom of the blade should point upward, toward the front of the saw, because circular saw blades cut on the “up” stroke. Most blades have a rotation arrow printed on them; make sure this arrow matches the arrow on your saw’s blade guard.

How Many Teeth Do I Need for a Circular Saw Blade?

Match teeth to the job. A 24-tooth blade rips lumber and frames fast but leaves a rough edge. A 40-tooth general-purpose blade is the best single choice for plywood and everyday cuts. Step up to 60 teeth for fine crosscuts and finish work, and 80 or more for veneers and laminates that chip easily.

Can I Put a 7-1/4-Inch Blade on a Cordless Circular Saw?

Only if the saw is rated for it. Most cordless circular saws use 6-1/2-inch blades, and the guard will not clear a 7-1/4-inch blade. Check the size stamped on your old blade or the saw’s housing, and stick to that diameter. A thin-kerf blade in the correct size also helps a cordless saw cut more per battery charge.

Why Does My Circular Saw Blade Burn the Wood?

Burning usually means the blade is dull, the kerf is clogged with pitch, or you are feeding too slowly. Clean the blade, let it reach full speed before entering the cut, and keep a steady feed. If a good blade still burns, the cut may be pinching the blade, so support both sides of the board so the kerf does not close on the plate.

Do More Expensive Circular Saw Blades Cut Better?

Up to a point. A mid-priced carbide blade from a name like Diablo or Makita cuts cleaner and lasts far longer than a bargain-bin blade, so it is worth the upgrade. Past that, premium industrial blades mainly add edge life and finish quality that matter for daily professional use. For occasional DIY cutting, a solid mid-range blade is the value sweet spot.


In Conclusion

If you only buy one blade, get a 40-tooth general-purpose blade in your saw’s size: it crosscuts plywood cleanly and still rips lumber without complaint. Add a 24-tooth blade when you start framing, and a fine-finish blade once you care about edges you do not have to sand. Match the diameter and arbor to your saw before anything else, keep the blade clean, and a quality carbide blade will outlast a stack of cheap ones.
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About the Author

Mark Weir

Mark spent 24 years working in real estate, so he knows his way around a home. He also worked with contractors and experts, advising them on issues of planning, investments, and renovations. Mark is no stranger to hands-on experience, having renovated his own home and many properties for resale. He likes nothing better than seeing a project through to completion.